With the help of cireuit diagram and graph, describe the working of a transistor as a Switch. () Derive a relation between the common emitter grain (B) and common collector gain (a) by writing each step Clearly.

Q: 2.) (a) If N₁ > Nå in a pn junction, which is larger: xn, xp, or are they the same? (b) How does the…

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Q: (Answer by true or false)and why In characteristic curve of diode the ID decreases with…

A: Semiconductors are materials having their conductivity in between those of the conductors and…

Q: For the circuit sown, using the transistor values of: 3 = 200, lc = 4mA and lb = 20uA, find the…

A: Semiconductor NPN TRANSISTOR based problem.

Q: For non-degenerate semiconductors, derive an analytical expressions of the effective density of…

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Q: Calculate the collector current and determine whether or not the transistor in figure shown below is…

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Q: Consider a free electron moving in a pure 2D semiconductor. Assume that m and E are the mass and…

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Q: Write down the biasing requirement of the junctions of a transi

A: Biasing is required for a Bipolar Junction transistor  1) To establish a quiescent point or Q-point…

Q: Calculate the thermal-equilibrium of electron concentrations per cubic centimeter in a compensated…

A: Given Temperature T                     = 27° C = 273 +27 = 300 K Acceptor concentration Na = 2×1015…

Q: For the NMOS amplifier in figure, replace the transistor with its T equivalent circ no channel…

A: In voltage gain, the output voltage is divided by the input voltage, while in current gain, the…

Q: saturation current in diode is present in :

A: The saturation current produced in both Forward and reverse bias. Forward saturation current due to…

Q: Answer the following questions: (a) The electron density for an intrinsic semiconductor was measured…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A semiconductor is doped at Na-2.6x10¹ cm³ and Na=1.4x10¹ cm³. The thermal equilibrium electron…

A: Given : Density  of donar atom Nd=2.6×1014 cm-3Density of acceptor atoms…

Q: A Zener diode shunt regulator circuit is to be designated to maintain a constant load current of…

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Q: B) Calculate the reflection coefficient of the cavity reflectors for semiconductor laser with 500μm…

A: Given,L=500μmα=820/mgth=3000/m

Q: In a transistor amplifier =62, R = 5000 and internal resistance of the transistor is 5002. Its power…

A: NOTE-Since you have asked multiple question, we will solve the first question for you. If you want…

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A: Given: Introduction: Diode- transistor logic is a class of digital circuits that is the direct…

Q: t a particu

A: The figure is given as,

Q: For agiven thermopile with having8 series connected typer thermocouples If the cold junction…

A: Answer..

Q: Calculate the transistor’s Collector current if it is driven by a small Base current of 1.96mA with…

A: Given data :  Base current , IB = 1.96 mA  Emitter current , IE = 100 mA

Q: B) Determine the internal optical power of the double hetetostructure LED has 85% quantum efficiency…

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Q: Consider a gallium arsenide sample at 7= 300 K with doping concentrations of Na=0 and N₁- 10¹6 cm³³.…

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Q: In the circuit below, we would like to bias the transistor such that it operates in the active…

A: We are given that: IC=1 mA= 1×10-3A VBE=0.7 V β=100

Q: Draw a Common emitter pnp transistor operating in the cut off mode

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Q: (Answer by true or false) In N-type the Fermi level rises to conduction band

A: In N-type the Fermi level rises to conduction band

Q: Calculate the mean-free (or average) time between collisions for electrons (in the conduction band;…

A: The expression for the mean free time between the collisions for electrons isτ=m*μqτ- mean free…

Q: (5) Knowing that the resistivity p of lithium is of the order 10-5 Q-cm at ambient temperature, find…

A: Given data, Resistivity of lithium = 105 Ω.cm Free electron density of lithium = 4.5x1028…

Q: The current flowing into the base of a transistor is 10 pA. Find its emitter current, if the value…

A: Given data: Current flowing into the base is, IB=10 pA. Current gain is, β=100.

Q: Hint:Although the band gap and the density of states vary with temperature, those variations are…

A: Step 1: Calculate the intrinsic carrier concentration at a given temperature.The intrinsic carrier…

Q: A transistor is used in a linear amplifier arrangement. The transistor has small and large signal…

A: We are aware that a transistor is utilised in a linear amplifier setup.The bias is set up so that…

Q: a) What is a Field effect transistor? Give its description and classification.

A: a) Transistor is a semiconductor device which is composed of at least three terminals and is mainly…

Q: Q. 1. When a transistor is used in CB circuit, current gain is 0-987. If it is used in common…

A: Given data: -  The current gain when a transistor is used in CB circuit is α = 0.987.

Q: (c) A common emitter BJT circuit and its voltage transfer curve is shown in Fig. 1(c) respectively.…

A: In this question we have to determine the voltages and currents at different points in the circuit.…

Q: Calculate the thermal-equilibrium of electron concentrations per cubic centimeter in a compensated…

A: GIVEN: Temperature T = 270C OR 300k impurity doping concentration Na =2×1015cm-3 Nd=5×1014cm-3

Q: rite the determination of exciton, an excited state formed in an organic semiconductor. Also, what…

A: ExcitonIn some applications it is useful to consider electronic excitation as if a quasi-principle,…

Q: Consider the experimental arrangement of Figure, set up to observe the Hall effect. With the power…

A: Voltage on the voltmeter is the hall voltage if the and if the semiconductor in which the majority…

Q: A transistor is connected by the common emitter method. If the emitting current Ie is 44 and the…

A: Given data, IE=44(mA)=0.044(A), IB=4(mA)=0.004(A), Rb=100 Rc=5000 First of all finding the IC by…